test(game): add tests to gamestate

.gitignore

@@ -0,0 +1 @@
+__pycache__

Game/gamestate.py

@@ -82,7 +82,6 @@ def playfield(self) -> list[list[int]]:
         """
         return self._playfield
 
-    @property
     def playfield_value(self, position: tuple[int, int]) -> int:
         """
         Returns the value at the specified position on the playfield.

Game/test_gamestate.py

@@ -0,0 +1,40 @@
+from gamestate import GameState
+
+def test_set_player_position():
+    # Create a GameState object
+    state = GameState()
+
+    # Test case 1: Set player position
+    new_position = (0, 0)
+    state.set_player_position(1, new_position)
+    assert state.playfield_value(new_position) == 1
+
+def test_set_winner():
+    # Create a GameState object
+    state = GameState()
+
+    # Test case 1: Set winner
+    state.set_winner(1)
+    assert state.winner == 1
+    assert state.finished == True
+
+def test_playfield():
+    # Create a GameState object
+    state = GameState()
+
+    # Test case 1: Check playfield
+    assert state.playfield == [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
+
+def test_playfield_value():
+    # Create a GameState object
+    state = GameState()
+
+    # Test case 1: Check playfield value
+    position = (0, 0)
+    assert state.playfield_value(position) == 0
+
+# Run the test cases
+test_set_player_position()
+test_set_winner()
+test_playfield()
+test_playfield_value()